Polishing
121Bench jeweler — The term bench jeweler describes an artisan who utilizes a combination of jewelry making skills to make and repair jewelry. The jewelry making arts can be subdivided into a very great many categories of specialized skills. Some of the more common …
122Nitinol Biocompatibility — Biocompatibility Overview= Metal implants containing a combination of biocompatible metals or used in conjunction with other biomaterials are often considered the standard for many implant types. When materials are introduced to the body it is… …
123Rock art of south Oran (Algeria) — The rock art of south Oran, are prehistoric engravings of Neolithic age in the south of Oran Province, Algeria, in the Saharan Atlas Mountains, in the regions (from west to east) of Figuig, Ain Sefra, El Bayadh, Aflou and Tiaret. Comparable… …
124abrasive — abrasively, adv. abrasiveness, n. /euh bray siv, ziv/, n. 1. any material or substance used for grinding, polishing, etc., as emery, pumice, or sandpaper. adj. 2. tending to abrade; causing abrasion; abrading. 3. tending to annoy or cause ill… …
125flatware — /flat wair /, n. 1. utensils, as knives, forks, and spoons, used at the table for serving and eating food. 2. dishes or containers for the table that are more or less flat, as plates and saucers (distinguished from hollowware). [1850 55; FLAT1 +… …
126hand tool — any tool or implement designed for manual operation. * * * Introduction any of the implements used by craftsmen in manual operations, such as chopping, chiseling, sawing, filing, or forging. Complementary tools, often needed as auxiliaries to… …
127environmental works — ▪ civil engineering Introduction infrastructure that provides cities and towns with water supply, waste disposal, and pollution control services. They include extensive networks of reservoirs, pipelines, treatment systems, pumping stations …
128Child labour in the diamond industry — is a widely reported and criticized issue on diamond industry for using child labour in diamond mines and polishing procedures in poor conditions mainly in India and Africa. In these mines, children come in contact with minerals, oil and… …
